PARIS, March 27 (Reuters) - France's Defence Ministry said on Thursday Qatar had agreed to buy 22 NH90 military helicopters from a unit of European aerospace group Airbus worth 2 billion euros ($2.76 billion) and two Airbus-made refuelling tankers.

Qatar, the world's top liquefied natural gas (LNG) exporter announced deals earlier in Thursday with 20 companies, including firms from the United States which were awarded contracts worth 27.5 billion Qatar riyal ($7.55 billion), said a spokeswoman for a Doha defence conference where the announcements were made. ($1 = 0.7254 Euros) (Reporting Marine Pennetier; writing by John Irish)